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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Wave Petroleum Operating LLC | Wyoming | 0 BBLs | 0 MCF | Dec 2014 - Feb 2026 |
| Weaver Dale Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Apr 2005 |
| Weaver Oil Inc | Wyoming | 0 BBLs | 0 MCF | Jun 1978 - Oct 2011 |
| Webb Resources Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Dec 1979 |
| Webster Joe | Wyoming | 0 BBLs | 0 MCF | Jan 1983 - Apr 1987 |
| Wedco | Wyoming | 0 BBLs | 0 MCF | Jan 1982 - Dec 1988 |
| Wellington Operating | Wyoming | 0 BBLs | 0 MCF | Oct 1994 - Dec 1996 |
| Wellstar Corporation | Wyoming | 2 BBLs | 1,640 MCF | Jan 1985 - Jan 2026 |
| Wem Joint Venture | Wyoming | 0 BBLs | 0 MCF | May 1982 - Sep 2015 |
| Werkir Oil | Wyoming | 0 BBLs | 0 MCF | Aug 1985 - Aug 1993 |
| Werner Methane Development LLC | Wyoming | 0 BBLs | 0 MCF | Jun 2005 - May 2006 |
| Wesco Operating Inc | Wyoming | 28,749 BBLs | 79,760 MCF | Jan 1991 - Feb 2026 |
| Wesco Production LLC | Wyoming | 0 BBLs | 0 MCF | Nov 2002 - Jun 2025 |
| Wessely Energy Corporation | Wyoming | 0 BBLs | 0 MCF | Apr 1980 - Feb 1989 |
| West Bonanza Oil Company Inc | Wyoming | 0 BBLs | 0 MCF | Oct 1995 - Dec 1999 |
| West Gas Inc | Wyoming | 0 BBLs | 0 MCF | Feb 1988 - Jan 1999 |
| West R B Oil | Wyoming | 0 BBLs | 0 MCF | Jan 1981 - Oct 1992 |
| Westar Resources Inc | Wyoming | 0 BBLs | 0 MCF | Feb 1989 - Dec 1990 |
| Westburne Petroleum Inc | Wyoming | 0 BBLs | 0 MCF | Mar 1984 - Jun 1990 |
| Westech Energy Corporation | Wyoming | 0 BBLs | 0 MCF | May 1997 - Jul 2004 |
| Western American Resources LLC | Wyoming | 0 BBLs | 0 MCF | Mar 2010 - Jun 2024 |
| Western Gas Resources Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1984 - Sep 2004 |
| Western Interior Energy Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1989 - Oct 1997 |
| Western Interior Oil & Gas Corp | Wyoming | 0 BBLs | 0 MCF | Dec 2006 - May 2015 |
| Western Oil Refining Company | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Dec 1994 |
| Western Operating Company | Wyoming | 0 BBLs | 0 MCF | Oct 2012 - Apr 2017 |
| Western Wellsite Services LLC | Wyoming | 0 BBLs | 0 MCF | Jan 2007 - Feb 2007 |
| Westland Energy Inc | Wyoming | 0 BBLs | 0 MCF | Jun 2003 - Jun 2005 |
| Westport Oil & Gas Company LP | Wyoming | 0 BBLs | 0 MCF | Jan 1980 - Jul 2006 |
| Weststar Oil & Gas Inc | Wyoming | 0 BBLs | 0 MCF | Apr 2006 - May 2016 |
| Wexpro Company | Wyoming | 13,386 BBLs | 3,594,072 MCF | Jan 1978 - Jan 2026 |
| Wexpro Development Company | Wyoming | 0 BBLs | 0 MCF | Jan 2016 - Jun 2022 |
| Wexpro II Company | Wyoming | 1,315 BBLs | 407,657 MCF | Mar 2017 - Jan 2026 |
| Wheless Drilling Company | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Dec 1978 |
| Whiskey Mountain Energy LLC | Wyoming | 0 BBLs | 0 MCF | Apr 2013 - Feb 2026 |
| Whisler Enterprise Company | Wyoming | 1,716 BBLs | 0 MCF | May 2021 - Feb 2026 |
| White River Corporation | Wyoming | 0 BBLs | 0 MCF | Jan 1992 - Jun 2007 |
| White Rock Oil & Gas LLC | Wyoming | 0 BBLs | 0 MCF | May 2015 - May 2024 |
| Whiting Oil & Gas Corporation | Wyoming | 0 BBLs | 0 MCF | Jun 1983 - Jun 2023 |
| Wichita River Oil Corporation | Wyoming | 0 BBLs | 0 MCF | Apr 1981 - Dec 1995 |
| Wieseler Clair F | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Nov 1985 |
| Wigley J M | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Mar 1985 |
| Wilbanks Exploration Inc | Wyoming | 0 BBLs | 0 MCF | Mar 1994 - Oct 1998 |
| Wildfire Partners Inc | Wyoming | 0 BBLs | 0 MCF | Jan 2002 - Dec 2009 |
| Wilkerson Frank M | Wyoming | 0 BBLs | 0 MCF | Jun 1982 - Sep 2002 |
| Williams Exploration Company | Wyoming | 0 BBLs | 0 MCF | Jan 1982 - Aug 1984 |
| Williams Leonard A | Wyoming | 0 BBLs | 0 MCF | Nov 1995 - Dec 2003 |
| Williams Lucille M | Wyoming | 0 BBLs | 0 MCF | Oct 2003 - Sep 2008 |
| Williams Ted H | Wyoming | 0 BBLs | 0 MCF | Nov 1998 - Dec 2008 |
| Williston Basin Cosul-Profit SH | Wyoming | 0 BBLs | 0 MCF | May 1987 - Dec 1989 |